angular指令插件1

js代码

/**
 * @ngdoc directive
 * @name myToggle
 * @module index
 * @restrict E
 */
(function () {
    'use strict';

    var jqLite = angular.element,
        forEach = angular.forEach;

    angular.module('index.directive', [])
        .directive('myToggle', IndexDirective);
    //
    function IndexDirective() {
        var obj = {
            restrict: 'E',
            replace: true,
            require: '?ngModel',
            transclude: true,
            template: '<div class="item item-toggle">' +
            '<div ng-transclude></div>' +
            '<label class="toggle">' +
            '<input type="checkbox">' +
            '<div class="track">' +
            '<div class="handle"></div>' +
            '</div>' +
            '</label>' +
            '</div>',
            compile: function (element, attr) {
                var input = element.find('input');
                //在作用域没绑定前，修改DOM
                forEach({
                    'ng-model': attr.ngModel
                }, function (value, name) {
                    input.attr(name, value);
                });
                return function ($scope, $ele) {
                    var checkbox = $ele[0].getElementsByTagName('input')[0];

                    //获得多选框元素的指定控制器实例
                    var ngModelController = jqLite(checkbox).controller('ngModel');

                    //监听多选框的事件
                    jqLite(checkbox).on('change', checkbox_change);

                    if ($scope.user.open) {
                        checkbox.checked = true;
                    } else {
                        checkbox.checked = false;
                    }

                    function checkbox_change() {
                        //当触发多选框事件时，改变变量
                        if (ngModelController) {
                            ngModelController.$setViewValue(checkbox.checked);
                            $scope.$apply();
                        }
                    }
                };
            }
        };

        return obj;
    }
})();
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css代码

        .toggle {
            position: relative;
            display: inline-block;
            pointer-events: auto;
            margin: -5px;
            padding: 5px; }
        .toggle input:checked + .track {
            border-color: #4cd964;
            background-color: #4cd964; }
        .toggle input {
            display: none; }
        .toggle .track {
            -webkit-transition-timing-function: ease-in-out;
            transition-timing-function: ease-in-out;
            -webkit-transition-duration: 0.3s;
            transition-duration: 0.3s;
            -webkit-transition-property: background-color, border;
            transition-property: background-color, border;
            display: inline-block;
            box-sizing: border-box;
            width: 51px;
            height: 31px;
            border: solid 2px #e6e6e6;
            border-radius: 20px;
            background-color: #fff;
            content: ' ';
            cursor: pointer;
            pointer-events: none; }
        .toggle .handle:before {
            position: absolute;
            top: -4px;
            left: -21.5px;
            padding: 18.5px 34px;
            content: " "; }

        .toggle input:checked + .track .handle {
            -webkit-transform: translate3d(20px, 0, 0);
            transform: translate3d(20px, 0, 0);
            background-color: #fff; }

        .item-toggle .toggle {
            position: absolute;
            top: 10px;
            right: 16px;
            z-index: 3; }

        .toggle input:disabled + .track {
            opacity: 0.6; }
        .toggle .handle {
            -webkit-transition: 0.3s cubic-bezier(0, 1.1, 1, 1.1);
            transition: 0.3s cubic-bezier(0, 1.1, 1, 1.1);
            -webkit-transition-property: background-color, transform;
            transition-property: background-color, transform;
            position: absolute;
            display: block;
            width: 27px;
            height: 27px;
            border-radius: 27px;
            background-color: #fff;
            top: 7px;
            left: 7px;
            box-shadow: 0 2px 7px rgba(0, 0, 0, 0.35), 0 1px 1px rgba(0, 0, 0, 0.15); }
    </style>
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